水面波作用下平面射流振翅运动的频率锁定现象

来源 :南京航空航天大学学报 | 被引量 : 0次 | 上传用户：zwf1979

【摘要】

：

通过激光流动显示(LIF)和测量方法,就表面水波对垂直平面射流的振翅运动的影响进行了实验和理论研究.研究表明,在表面波的影响下,振翅运动依然存在.同时,波高计和多谱勒激光

【作者】

：

孙建红匡军许金造

【机构】

：

南京航空航天大学人机与环境工程系,南加洲大学机械与宇航工程系,香港科技大学机械工程系

【出处】

：

南京航空航天大学学报

【发表日期】

：

2004年期

【关键词】

：

平面射流表面波激光测量振翅运动频率锁定 turbulent plane jet surface water wave LDV flapping moti

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论文部分内容阅读

通过激光流动显示(LIF)和测量方法,就表面水波对垂直平面射流的振翅运动的影响进行了实验和理论研究.研究表明,在表面波的影响下,振翅运动依然存在.同时,波高计和多谱勒激光测速仪的测量结果显示,当表面波的频率接近但低于射流振翅运动的自然频率时,射流振翅运动的实际振动频率将被锁定在表面波的频率上.而当表面波的频率大于射流振翅摆动的自然频率时,频率锁定现象将不存在.

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水面波作用下平面射流振翅运动的频率锁定现象

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